Max. & Min. function. Over & Under range indication. 4-digit LCD display with bar graph. Frequency weighting characteristic for 2 times per second. AC signal output. Low battery indication. IEC 651 Type 2 & ANIS S1.4 Type 2.
Conforms with all the essential health and safety standards & requirements set out by the European Directives IEC651 Type 2, ANSI 1.4 Type 2 and GB/T3785 compliant Multifunctional and with 30-130dB wide range and built-in calibration signal of 94dB at 1kHz (sinusoidal) Offers 4 measurement parameters Lp (sound level), Leq (equivalent continuous A sound),Lmax (maximum sound level), LN (percent of all readings over alarm value set)
Key Specifications/Special Features: Measurement Range: 30~130dB 60dB Dynamic Space in Each Range Accuracy: ±1.4dB Time Weighting Fast/Slow Frequency Weighting A/C Max/Min Function
Features: PC interface via Micro USB cable 64000 records datalogger Bargraph indication Auto power off MAX/MIN function Clock display AC/DC signal output IEC 61672-1 class 2 Patented Specifications: Level Range: 30~130dB Accuracy: ±1.4dB (ref 94dB@1KHz) Frequency Weighting: A / C Time Weighting: Fast, Slow Frequency Range: 20Hz to 8KHz Microphone: Electret condenser microphone Auxiliary Outputs: AC/DC Output Battery: 1.5V AAA x 4 Dimensions: 264 x 63 x 29mm Weight: 245g *The specifications are subjects to change without prior notice. Standard Accessories: Battery, operation manual, carrying case, windscreen, 3.5Ø plug, Micro-USB cable, software